
package org.linlinjava.litemall.db.service;

import com.github.pagehelper.PageHelper;
import org.linlinjava.litemall.db.dao.LitemallCategoryMapper;
import org.linlinjava.litemall.db.domain.LitemallCategory;
import org.linlinjava.litemall.db.domain.LitemallCategoryExample;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;

import javax.annotation.Resource;
import java.time.LocalDateTime;
import java.util.List;

@Service
public class LitemallCategoryService {

	@Resource
	private LitemallCategoryMapper categoryMapper;

	private LitemallCategory.Column[] CHANNEL = {
		LitemallCategory.Column.id, LitemallCategory.Column.name, LitemallCategory.Column.iconUrl
	};

	public List<LitemallCategory> queryL1WithoutRecommend(int offset, int limit) {
		LitemallCategoryExample example = new LitemallCategoryExample();
		example.or().andLevelEqualTo("L1").andNameNotEqualTo("推荐").andDeletedEqualTo(false);
		PageHelper.startPage(offset, limit);
		return categoryMapper.selectByExample(example);
	}

	public List<LitemallCategory> queryL1(int offset, int limit) {
		LitemallCategoryExample example = new LitemallCategoryExample();
		example.or().andLevelEqualTo("L1").andDeletedEqualTo(false);
		PageHelper.startPage(offset, limit);
		return categoryMapper.selectByExample(example);
	}

	public List<LitemallCategory> queryL1() {
		LitemallCategoryExample example = new LitemallCategoryExample();
		example.or().andLevelEqualTo("L1").andDeletedEqualTo(false);
		return categoryMapper.selectByExample(example);
	}

	public List<LitemallCategory> queryByPid(Integer pid) {
		LitemallCategoryExample example = new LitemallCategoryExample();
		example.or().andPidEqualTo(pid).andDeletedEqualTo(false);
		return categoryMapper.selectByExample(example);
	}

	public List<LitemallCategory> queryL2ByIds(List<Integer> ids) {
		LitemallCategoryExample example = new LitemallCategoryExample();
		example.or().andIdIn(ids).andLevelEqualTo("L2").andDeletedEqualTo(false);
		return categoryMapper.selectByExample(example);
	}

	public LitemallCategory findById(Integer id) {
		return categoryMapper.selectByPrimaryKey(id);
	}

	public List<LitemallCategory> querySelective(String id, String name,
		Integer page, Integer size,
		String sort, String order) {
		LitemallCategoryExample example = new LitemallCategoryExample();
		LitemallCategoryExample.Criteria criteria = example.createCriteria();
		if (!StringUtils.isEmpty(id)) {
			criteria.andIdEqualTo(Integer.valueOf(id));
		}
		if (!StringUtils.isEmpty(name)) {
			criteria.andNameLike("%" + name + "%");
		}
		criteria.andDeletedEqualTo(false);
		if (!StringUtils.isEmpty(sort) && !StringUtils.isEmpty(order)) {
			example.setOrderByClause(sort + " " + order);
		}
		PageHelper.startPage(page, size);
		return categoryMapper.selectByExample(example);
	}

	public int updateById(LitemallCategory category) {
		category.setUpdateTime(LocalDateTime.now());
		return categoryMapper.updateByPrimaryKeySelective(category);
	}

	public void deleteById(Integer id) {
		categoryMapper.logicalDeleteByPrimaryKey(id);
	}

	public void add(LitemallCategory category) {
		category.setAddTime(LocalDateTime.now());
		category.setUpdateTime(LocalDateTime.now());
		categoryMapper.insertSelective(category);
	}

	public List<LitemallCategory> queryChannel() {
		LitemallCategoryExample example = new LitemallCategoryExample();
		example.or().andLevelEqualTo("L1").andDeletedEqualTo(false);
		return categoryMapper.selectByExampleSelective(example, CHANNEL);
	}
}
